Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for two weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have: A cough that occurs with too much phlegm (mucus). A chronic cough that lasts or as occurs with smoking, asthma, chronic bronchitis, or emphysema. Stop use & ask a doctor if: Cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. Persons with diabetes - consult your doctor or pharmacist before using any medication or dietary supplement. This product does not contain any medication to improve or relieve diabetes. Tamper evident: Do not use if printed safety band around bottle cap is broken or missing.